Thomas Schiffer has been granted 14 US patents while listed as an inventor at Degussa Ag . The first was granted in 2002 and the most recent in October 2012. Thomas Schiffer ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Thomas Schiffer in Haltern, DE.
Patents per Year Patents granted per year, 2002 to 2012 Bar chart with a peak of 5 patents in 2003. peak 5 2002: 4 patents 2002 2003: 5 patents 2003 2005: 1 patents 2005 2006: 1 patents 2006 2007: 1 patents 2007 2010: 1 patents 2010 2012: 1 patents 2012
Issued Patents All Time
Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8293279
pH-regulated polyamide powder for cosmetic applications
Holger Renners , Wolfgang Christoph , Franz-Erich Baumann , Joachim Muegge
2012-10-23
7790224
Method for sinter coating
Jürgen Eberle , Dirk Heinrich , Hermann Stegmaier , Hans-Joachim Wönicker
2010-09-07
$843,000
7211615
Polyamide powder with long-lasting, consistently good flowability
Franz-Erich Baumann , Sylvia Monsheimer , Maik Grebe , Wolfgang Christoph , Dirk Heinrich +4 more
2007-05-01
7148286
Laser-sintering powder containing titanium dioxide particles, process for its preparation, and moldings produced therefrom
Franz-Erich Baumann , Sylvia Monsheimer , Maik Grebe , Wolfgang Christoph , Heinz Scholten
2006-12-12
6852893
Method for oxidizing hydrocarbons
Adolf Kuhnle , Mark Duda , Carsten Jost , Guido Fries , Jochen Kirchhoff +3 more
2005-02-08
6664423
Two-phase ammoximation
Juergen Herwig , Stefan Leininger , Georg Oenbrink
2003-12-16
6639108
Ammoximation of ketones and work-up by pervaporation/vapor permeation
Peter Esser , Martin Roos , Franz-Felix Kuppinger , Günter Stevermüer , Georg Thiele
2003-10-28
6620970
Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system
Peter Esser , Jorg Krissmann , Martin Roos , Günter Stevermüer , Georg Thiele
2003-09-16
6610864
Process for the epoxidation of CIS double bonds
Bernt Krebs , Elisabeth Droste , Markus Piepenbrink , Guido Vollmer , Georg Oenbrink
2003-08-26
6566555
Process for preparing oximes
Georg Thiele , Steffen Hasenzahl
2003-05-20
6462235
Process for production of oximes cocatalyzed by ammonium salts or substituted ammonium salts
Georg Thiele , Georg Oenbrink
2002-10-08
6444855
Process for preparing cyclic alcohols and ketones
Peter Esser , Bernd Guenzel , Georg Oenbrink
2002-09-03
6407304
Process for the isolation of high boilers from the cyclooligomerization of 1,3-butadiene
Matthias May , Norbert Wilczok , Georg Oenbrink
2002-06-18
6403851
Process for preparing cyclododecatrienes with recycling of the catalyst
Norbert Wilczok , Peter Wiedenbusch
2002-06-11